Phosphodiesterase Type 5 Inhibition With Tadalafil Changes Outcomes in Heart Failure
Summary
The lay summary the sponsor registered on ClinicalTrials.gov.
Investigators
The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.
- Flora S Siami, MPH
New England Research Institutes, Inc.
Principal Investigator - Marc J. Semigran, MD
Massachusetts General Hospital
Principal Investigator - Susan F Assmann, PhD
New England Research Institutes, Inc.
Principal Investigator
A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.
Sites
63 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- Jewish General Hospital
Montreal, Quebec, Canada
- Heart Center Inc - Research
Huntsville, Alabama, United States
- Baptist Health Transplant Institute
Little Rock, Arkansas, United States
- Allianz Medical and Research Center
Fountain Valley, California, United States
- Christiana Care Health System
Newark, Delaware, United States
- Broward Health
Fort Lauderdale, Florida, United States
- Miller School of Medicine University of Miami
Miami, Florida, United States
- Orlando Health
Orlando, Florida, United States
- Charlotte Heart Group Research Center
Port Charlotte, Florida, United States
- Brevard Cardiovascular Research Associates
Rockledge, Florida, United States
- University Cardiology Associates Llc
Augusta, Georgia, United States
- Eisenhower Army Medical Center
Fort Gordon, Georgia, United States
- Northwestern University
Chicago, Illinois, United States
- University of Illinois Hospital
Chicago, Illinois, United States
- Methodist Medical Group Cardiology
Peoria, Illinois, United States
- Baptist Hospital East
Louisville, Kentucky, United States
- Research Integrity Llc
Owensboro, Kentucky, United States
- Lsu Health Sciences Center
New Orleans, Louisiana, United States
- Maine Research Associates
Auburn, Maine, United States
- Johns Hopkins Hospital
Baltimore, Maryland, United States
- Primary Care Cardiology Research, Inc.
Ayer, Massachusetts, United States
- Brigham and Women'S Hospital
Boston, Massachusetts, United States
- Massachusetts General Hospital
Boston, Massachusetts, United States
- Mgh West
Waltham, Massachusetts, United States
- University of Michigan Health System
Ann Arbor, Michigan, United States
- Oakwood Hospital and Medical Center
Dearborn, Michigan, United States
- Henry Ford Hospital
Detroit, Michigan, United States
- William Beaumont Hospital
Royal Oak, Michigan, United States
- Covenant Center for the Heart
Saginaw, Michigan, United States
- Essentia Health East
Duluth, Minnesota, United States
- Metropolitan Heart and Vascular Institute
Minneapolis, Minnesota, United States
- Mayo Clinic
Rochester, Minnesota, United States
- Missouri Cardiovascular Specialists
Columbia, Missouri, United States
- St. Luke'S Health System
Kansas City, Missouri, United States
- Glacier View Research Institute
Kalispell, Montana, United States
- Advanced Heart Care, Llc
Bridgewater, New Jersey, United States
- Hackensack University Medical Center
Hackensack, New Jersey, United States
- Newark Beth Israel Medical Center
Newark, New Jersey, United States
- Heart & Vascular Center of Nj/cardio Metabolic Institute
Somerset, New Jersey, United States
- New York Methodist Hospital
Brooklyn, New York, United States
Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.
Drugs studied
The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.
Registration & key dates
Registry attributes as recorded on the ClinicalTrials.gov study record.
- Start
- 30 Nov 2013
- Primary completion
- 28 Feb 2014
- Completion
- 28 Feb 2014
- Last update posted
- 4 May 2015
- Registered enrollment
- 23
- Registry id
- NCT01910389
Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.